<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,i) in goodsList" :key="i" @click="goDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				//请求参数对象
				queryObj: {
					query: '',
					cid: '',
					pagenum: 1,
					pagesize: 10
				},
				goodsList: [],
				total: 0,
				//节流阀
				isloading: false
			};
		},
		onLoad(e) {
			this.queryObj.query = e.query || ''
			this.queryObj.cid = e.cid || ''
			this.getGoodsList()
		},
		methods: {
			async getGoodsList(cb) {
				//打开节流阀
				this.isloading = true
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
				//关闭节流阀
				this.isloading = false
				//确保cb是存在的并执行
				cb && cb()
				if (res.meta.status !== 200) return uni.$showMsg()
				//为数据赋值
				this.goodsList = [...this.goodsList, ...res.message.goods]
				this.total = res.message.total
				console.log(this.goodsList)
			},
			goDetail(item){
				uni.navigateTo({
					url:`/subpkg/goods_detail/goods_detail?goods_id=${item.goods_id}`
				})
			}

		},
		//触底函数
		onReachBottom() {
			//判断是否还有下一页数据
			if(this.queryObj.pagenum*this.queryObj.pagesize >=this.total) 
			return uni.$showMsg('数据加载完毕')
			//节流阀开关
			if (this.isloading)
				return
			//让页码自增+1
			this.queryObj.pagenum++
			this.getGoodsList()
		},
		//刷新重置函数
		onPullDownRefresh() {
			this.queryObj.pagenum = 1,
			this.total = 0,
			this.isloading=false,
			this.goodsList = []
			//重新获取第一数据、
			this.getGoodsList(()=> uni.stopPullDownRefresh())
		}
	
	}
</script>

<style lang="scss">

</style>
